
...and the SENSOR apparatus will rest on it.
The Big Bang Theory Season 1, Episode 12

to activate the motion SENSOR.
The Big Bang Theory Season 5, Episode 2

HOWARD:
Told you the SENSOR would work.
The Big Bang Theory Season 1, Episode 11

The seismic SENSOR isn't emitting
any signal now.
Money Heist Season 3, Episode 8

This is a sub-sonic impact SENSOR.
The Big Bang Theory Season 1, Episode 11